论文复现,金融相关 Shrinking the Cross Section(Fama-French SZ/BM portfolios)
复现的论文: https://www.nber.org/papers/w24070
具体想要复现的效果第四章
4.1 Preliminary analysis: Fama-French SZ/BM portfolios
Figure 1: OOS R2 from dual-penalty specification (Fama-French 25 ME/BM portfolios).
Figure 2: L2 Model Selection and Sparsity (Fama-French 25 ME/BM portfolios).